Book or pamphlet binding machine.



R. C. SEYMOUR.

BOOK 0R PAMPHLET BINDING MACHINE.

APPLICATION FILED .TUNE 15r 1910. Patented Dec. 31, 1912.

4 SHEETS-SHEET 1.

R. C. SEYMOUR. BOOK OR PAMPHLET BINDING MACHINE.

APPLICATION FILED JUNE 15, 1910` Patented Dec. 31, 1912.

4 SHEETS-SHEET 2.

R. C. SEYMOUR. BooK 0R PAMPIILET BINDING MACHINE.

APPLICATION FILED JU 1,048,899. M15 Im Patented Dec. 31, 1912.

4 SHEETS-SHEET 3.

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5 .D M /w f/.l/ ,n F MT 0. 4 f. wf 65 f 7 6 Mw R. C. SEYMOUR. BOOK 0R PAMPHLBT BINDING MACHINE.

APPLICATION FILED JUNE 15, 1910. 1,048,899. Patented 1180.31, 1912.

4 SHEETS--SHEET 4.

@werden Objects of. hef

'UNITED sTATEsiATENT oFFIoE;

'RALPH e, SEYMOUR, oF LARGHMONT, NEW YORK, AssieNoR, To Goss PRINTING BRESSJQQMBANUorycrucaeo,s1LLrNors; Aj CORPORATION ortrLLrNor's'. 1

5fchesteri nd, ventednewp 'and" t tseful Improvements in- BookV I i". .Pamphlet "Binding Machines, of

is aspeciiication-.i The @invention relatesto' machines for 1.0` making niagazines'and pamphlets', morev 'especially to machines for stitchingr and Qlding.^such magazines and pamphlets, al-

=though in certain features of theinvention- -mavbe useful in other regards.v f

n ve'ntion are to provide noxiellmechafnisms to receive associatedsheets audtdregister ythem f with respect to` each oth,e r \\1i th greatfrapidity vand accuracy, and

Aalso- Ito do' this :While they are traveling throughithe machine; to accomplish these objects 4with sheets fedi or associated from a plurality of; ,Sources 0f supply; to effect.- .these object sfwit-h. sheets traveling al ong a' straight bthaer,@Substantially Straight rath, aS

2 5 diSt-inguishedirom sheets carriedaround en fthe-surface!oi'cylinders; to provide yfor the .gaeurate.registrationof associated vsheets while'itraveling through the machine and to bring#theml atI tli esanie time into stationary andf'registered relation@l with the stitching devices ;y toy ,providefor a high speed .in such imechanis'ms' inl-'colmection with accurate work-,through impartinga movementl tothe stitching mechanisl'n;4 to Slow down. the 'sheets as'tli'ey travel along a pathway to register v-t-lfiemj, to move the stit-ch'ers at' the` fi'tsafm'e'freduced,speed,and to stitch them while soflrgistered; to impart a quick ret-urn movement/to the stitchers in orderto speed 40 upthe machine.; These 'and other olojectsfofA thee'inventionwillin part be obvious, andV *ffwi'll in part; more'lfully appear hereinf The invention consists in the novel parts, d efficesgconstructions, arrangements, combi- `4 5 nati' nsa'n'd'im'provementsherein shown and described.A

cf?- -The accompanving,r drawings, referred to herein andforming a part hereof, illustrate oneemhodiment of the invention, thesame serving inc onnectionwith lthe description "ta'teffNe'w 'York,' have'inl ance 'with' the principles-of tliefinventiou.;

vehtion,

hereirrto explain' the-principles o fithe in#` Of the dra wingst` -'Figu re l is 'ai sideeles. vation of -a machineconstructed in acc.0rd-, v`5 5.

Fig. 2 is; atopplan view cor'responding"to` Fig." 1;' Fig. 3` 'is a fragmentary elevation" ofthe actuating'ineansfoif"thefregisterin` i stops; Fig. 4 afview, partly diagrammatic, showingthesheets strikingthe registering' stop just prior to stitching; 5 sl'iows'tlie sheets being released just after. stitching; V5

Fig. A 6 shows" j the carriage1 carryingv 'fthe stitcher and the registering` device. du-ring the'quick return movement; and Fig-.v7 is a central section throughA the; vfolder 'looking' t'o theright as shown inl Figglf Y f Referring' to the accompanying drawings,

illustrating b vwayof vexample one len ibfodi? ment of the invention, asuitable' sourceof slieetsupplyfis provided. r'llhereiisshownherein alweb of paper l, run1 1 1ng in 'from a printing press orvot'li'er' suitable machinea over a. roller Said web runs between A-roi tary cutters 3 and lLearned upon afseries of .75 disks -5 andv 6 fixed to the shafts?. and

The end of the web runs down through a throat formedfby a series of fin-gerst) and an' l opposed series ot` fingers .10 -I'no`unted,`A respectively, upon rods' 1l and 1 2 carriedfby the machine frame. The sheets cutrom the web vmay `be lassociated ,.desired, and

there is shown herein a threelwav collectirigtggA cylinder 2O rotating, on its shaft 21 in-the mahine frame. Said cylinderis provided are fed in one, two, three, four" order they inder in a Well known mnnenf Tapesig three series of sheet-taking grippersi E22, 23 and 24, respectively. Vhen the .sheets are shown runningr over rolls. 26 -ando'ver` Saidsheet feedingmans may beef any conrolls 27, androlls. 28, to keep the s'heetsin position upon thecvlinder 20,'. l if n additionalsource ofsheetsupplylmay'- in additional;SheetgorQriinSeEt,,ora-cover.

v enient or approved form, 's'oar -asconcernsx many features of theinvenmon.; vSanis'heets are shown herei 'as being conveyed between -100 A 50 and 51. A' seriesof lingers Giextend 11p-5 ivardliv from a support GS lyingl across lthe .path of the sheets. At each 'end of thelower. mechanisms of the stitclierst cross. o'r longitudinal frame ine-'iiiber A(i3 is and a series of tapes 32 running over rolls in cooperation ivitli the' tapes 30 tocon'vey. a sheet orA sheets therebetiveen.v lAn additioiialser-ies of tapes 3-1 lisfshown running over a seri sof rolls 35,ai'i'd-'oi-'er another. series of rolls '36 and another series of--roll.S 37. This series 'of tapes actsboth on tlie sheets on the 'cylinderf20, and" tlie`sheets=. fed

in' from the other 'source ofgsupply just-described. A suitable'stripperS maybe prof.

vided to insure the'fcolleeted 'sheets leaving the cylinderl 20 at the' proper time.l The" associated vsheets are then fed along a pathway by suitable means such a's a lseries of' .tapes 4Q, sho'ivn runii'iiig'over certain of the rolls 28 andfover aseriesoi` rollsAl, and, an'

opposed series of tapes-42, ruiming over the "ro1ls'33'1 A f I I In accordance 'Withf one.v feature of the in#4 ventionfmeans are provided for register-ing and over the rolls 143.

tlie'sheets wit-hea'cli other'aiid ivith the stitching mechanism for' stitching while they 4are traveling toward the folding mechanism. The embodied form of such means comprises a carriage having sidetraines 50 'and 51,

said frames-being channeled. t'ofivork on.

guides'l and 53 carried'o'nthe machine frame. Thevstitcliers 'arecarried upon.l this trame. Supported on vtlieside iframes 50' arid51`, by' means of the uprightsupports 4S and 49,'.and extending' aeros'svbetweeii them arerods ir'and 55. Moi'ifnted upon the rod 54 isi-a'stitcher 5,a.nd asimilar stiteher 57 is 'mounted upon the rod 55. vlongitudiii'al frame. piece or brace l58r`v connects the@ rods 54C and at the place wlierethe stiteliLV ers'aie mounted.' Suitable eross'rods() and 61 also "extend across betiveeii the; :traniev vpieces 50 and 51Jbelov.' the path of 'travel the-sheets to carry thefaiivil's and other also V"sliovvri Vextendingfcentrally from" the cross' rod vG0' to the cig-.oss rodjCl..

A 'The registering :Stepor ga'getorthe sheets. v which positions` them for stitchingris mount' ed'iip'on and travels with the stitclier rai'- riage. Sai-d Vmechanismcomprises"ai-iiis G5 and GG extending; from the side fra-nie pieees support GS are t\vo downwardly]extending Yrods GQaIid T0 Working' iii apertures in the supporting .arms G5 and '(fi. -Cai'iied iiPOii the said 'rods G9 and 70, respectively. are collars 71 and '72. and sprii'igs'il .and 'T-t are coiled about .said i'ods'het\\.'een the lou-er surfaces ot 'the arm-s C5 and 61'. respectively. and said collars T1 and 72. The rods Gil and are provided at their loivei' end with each a c aiii roll T5 and T6. Afeam shaft .Q0 is shoivn Carried in a pair ot arms S1 anal 8'2. n'liieh-iii'iiis are fixed to the side 'frames 50 'sha-ft 2 30 has a'pair ot' c ains 83' and l84: co# operating, respectively, with'the camAi-.olls' upon the rods 69 -aiid 70.- Upon the ends of on the frame of the'machine near-.one end- `o'-the path of travel ofthe stitoherjcairiage vare provided stationaryracks A87 and 88.

jtheleft. in Fig'glltlie cam shaftv 8 0-ivillbe rotated,`and the'registeiiiig sto-p fingers 67 ivill drop down permitting. tlie;stitclied tion, the carriage moves a' little more slowly than the speed of the sheets as they are car# ried alongr by the tapes l0 and-1Q. This insures-the sheets being driven fairly ,aud squarely up to t-lie iegisteiiiigstops ust. prior to the operatioiiot' the stitchersand of the sheetsbetireen and the folding mechanism.' The acti'oii 'of the tapeslO' and -42 at the sain against rebound o f the Sheets from the stop:- liithe embodied forml ofsiicli means pivoted `side upon a shaft 94. which shaft is joui'-v iialed 'in the machine frame.'A Fixed tothe shaft J1-'is' an arm 95 provided ivith a-eaiii roll 9G. ,coi'rperat-ing ivith 'av cam .9T iipoiia frame. Springs 99 are shown': ietiiig on' the a-in'is 92 to hold the ariii J5 to its cam. The ea'in 9T is 'shaped to give the 'reqiiisiteinoi'f' ment to the. siiteher carriage. asfjustfdcscribed. i

Suitable devicesl for 'operating the` stitchers the)1 ytravel aieprovided. [and vin the embodied torni thereof. a ,-:hiitt of travel of the sheets. .saidv sluit't'heing fi'iii a suitable source-.of piiner. lleveled L'eai`- 10S and 109 are spliiieil on the .shaft lOl-i. :ind are held ielspertivelj.' h v vokes lltl. and lll carried h v the cross. rods Bland 53 ol' the stitchei"cari-inge. gear 10S is slion'ii a beveled gear ll-l cai-rieti h v a shaft. ivhieli operates the stitch@ 5G. A similar gear 11G and sli-.ift 11i rw.;-

'and A51-of.l the stitcher carriage., Thecan'r the cai-nl shaft 8O arepinions--S and 8 9, and-vv pieeiable sloivi'rigY down of? -th'euiioveiiient 1 thefeollee't-ing,r devices' f 100 e time insureslinks 90 are vshown connecting each of lthe side frames 50 and 51 of tliefstitclier car-- iage with lever iii-ins 92 carried ateitheij.:

eam- `sliatt- 9S. joiiriialeil in the. machine.

is arranged loiigitudinalli'f above the path driven b v miler gears ltlt and lltlilriven` lVheii the pinioiis 86 and 89 engage. the 'racks 5 ST'and 88- iii traveling ,inone direction, (to

heiligir stitched ivliileso' registered., and all this is accomplished with aiialiiiost' unap-- Mrshiiig with the 'V5 l if desired gate or Stopmaybc provided between the Sonr'ces of 'heet slrpiiily and the vstitcher'mechanism toineure the admission' of Sheets at the properf'nioment to the Stiteb'er mcfha'nism." A form of 'suoli meansfingers-120, at either `side are downwardly .extending 'rods 121, working -1n apertured -luge 123 on the machine frame, and each rod 1.2.1 -iSxprovided with a cam r'oll i The'cam rolls coperaterespectively wit-hoainefw? uponA the Cain shaft. 129 jou'rnal'd in 4the machine frame. A coiled spring 1.30 i;--.`sl1own acting betiveen the lng 123 and a colla-.133 on e cam.`

the Sheets to rest .in position for folding Suitable devices 'are also provided for insnr-v 'Y ing'the quilc'feedi-ng.forward or speeding;rv .up tot-he toldinigj lposition of the stitched sheets from the stitchere, as Soon 'asthey are releaised 4by the` stop 67,. Thus the arrival and fiegistryof vtl-'iestitclled sheets'in fold- "ing" position is insured `and the productor 'output of the4 m'a'cl'line increased. Thlelnbodied form `thereof ,comprisesA a series of 'driven rolls' 1 11 loc-ated above .the path 0ftrai-"el of 'the .'sli'e'et bundle and -closely-con-- 4'0 tigiioiis vftothe'.endfof.the travel of the stitcher arriag'e toward the folding 1nech- Cooperating vtherewith isa seriesof. A

ere r11-2 carried byf-arms 143,

ariisin. inox-table roll- "fixed to a.-- shaft144. The -Shaft 114 isactn-l to raise the` rollers 142 -at the proper times', such l'nechanisnr not beingA Shown herein, be ing. old and well known. The movable roller could1 if deSired, 'be located above and the stationair of the sheetsa.

The particular form of fo .2 in' ritmo-pending application "Serial 535.( iS. .l t :con-slatsgenerally of aafolding path of traijel'ot" thea-heels, and jiist beneath.

their 'pozi-tion as theithe stop 141'). The Sha tt .154 journalcd. 1n

frame. Fixod to said shaft are 'arms 152 and 155i.

are brought to rest by 'lar gear meehaniim' o'i': by suitable forward' ofthe end'of Athe path of travel of' the v'stitcher cl'rriagje. v Connected to they ach-rodI 121. to hold .it to its A suitable sto i 140 is shown for brinfrino l n n ated. 'by a' nnitable mechanism to drop, and'- y roller below the `pat-l1' o'ilitravel' .meclia- A n-iglnsliown heroinis elaimedfan'ddescribed arrangedv longitudinally"of the the machine .1 pair of folding-'jante ll'are carried b v Said arme'. and rotate theremth j 154` .from said arms' and folding jaws. f folding jaws ll-have'connectedthereto atcam 'rolls 159 and '160-runn'ingin a'. cam, groove 163 '(broken'awayfin-part in Fig.' 1 to show cam rollS) carr1edonv the machine caused'to .rotate relatively to sgaid arms 152 and 153:" and tofold the sheets over the' "blade 150 and cairyaway. .thefolded sheets. The folding jawearepoint-ed tangentially grippers ljwhich maybe of n'SiialfornL: upon said Cylinder take the fol'r'l'edsheets 'by their folded edge l from'thefoldinnf jaws 'and in turlil vdrop Said Sheets upon thtlv in' terrnittently moving delivery ldevice 15G.

The-manner of operation 'of the herein lows One or more webs ma y be fed in bet ween onv the collect-ing cylinder 20 and ,-as'oriater., The cuttersA 3 and 4 Cnt ott' vthe sheetsa?.- they are taken by the grippors. Another Shoot or sheetsY may be fed in between .the tapez# 31 and the sheets from this soin-0e. and from .ofi1 the cylinder 20 being forwarded t-r'zgctlirr, tbtrfstri'ppor 38 boing actuattdto Strip the sheets' oti`- 'fronrtbo cylinder 20 at. tie propcrtime. 1f the vstop-'120 be iisod the Sheets may be allowed .torun up against;- this stop, and be Areleasscd att-he proi'wr-4 time to move forward-tothe' stitfchers. The vslleetsv vare impelled forward along their patlrof-travclj by the tapes 40 and 142. and" and to Vbe almost ineontact witlrthc' stopil movement-toward theI fls'ft-'in *At this' time the rcgifg'teringf stop' G7 -is np in rate of. travel of the l'n'lndlev 0ffSl1e0tS`, it. contacts with 'the registeringstops '67, faa'f shown in Fig.' 4; sheetsY has been diminished but li.('tl ,lth('-yl -'are atrest'relatively-A `to the stitchcre, which' are n ow'operated to stitch tb'esheets toi etber when they are thus aociiratelyreg- 'istere'df' with "refercx'icev to each other fand.'

toward "the left and the registeringstops GT have-klropp'ed down,.,the sheets being` tree, 'to umore -forward vuiderthe drii-"Ogof .thjc tapes 40 and To'insure-.a'tpiick'and clean folding of the bundle f.il" s,iwct. ;,V how @Ver` the rdllora 141 and 'l-'llenffhgt them at this' tiim` and gire them Aa gp'o'n fe' forward 'drive at the proper Speed.

. Tl'iisc rollersy v [are arrangedV to-engage the sheets sjloetto the atop G7 and jnSt as they .are rclvated from Athe Stitchcr Carriage. The 'sheets are l then carried' forward against the fstop 140, twhich is adjust-able for the particular size described. mechanism is snbsatantialhvas; foljustas the gripper carriage 'is'bo fimii-ng'C itSQ- While the 'Speedo-f thei i V'acc'.mfately' positioned Awith reference .tofth'cf' Yst-itchers. Just about this time the sjtitcherf v'carriage has reached the end of itstravel',

one end the double armedlever 158,11a-vingframe.l By `this Construction, the" jan-'s are l.

aS the),y pass'the deliverycylinderV 155 and .Y

the rollers 2, andare takelrby Athe grippevsj- 'they arc supplied s o as to be -cd forward.;

A position7 and owing to thefsli-'gbtly fasterE ,f

jaws 151, the edges of the book now slipping fout laterally/'from beneath the tapes 40 and v line of V the stitchers pamphlet is then delivered to the delivery bundle of sheets to stitch the sheets together.

42. 'l`h'e`zstop'` in` conjunction with these tapes has positioned the book accurately so that thegfolding jaws will fold it alongthe The folded book or cylinder-i155 and deposited upon the carrier 156. In the meantime the stop 120 has been restored to control `the next supply of sheets, and. the stop 67 has again been -raised to registering. position, the4 stitcher carriage travelinglb'ackwardly Atoward the right, as shown in Figli, its movement being again reversed V,toward the '-left just before-the- .bundle ofgsheet's has reached'the registering stops 67.

The. invention, in its. broader aspects,is-

not 'limited to -the vparticular constructions shown, `nor to any particular constructions by which it. has been .onmay be 'carried into effect-,as many changes may bemade in the.

construction without` departing ,from the main principles ofthe invention and without sacrificing its chief advantages. What I do claim as my invention and del sire to secure by Letters Patent, is :--V 1. A folding and binding Imachine including in combination asource of sheet supply, a folding mechanism', means for'progressinfr a bundle of sheets,from 1said source to said folding means and stitching means traveling along said path in a definiterelation to each 2. A Afolding and binding machine including in combination, a source of sheet supply, a folding mechanism, means for progressing a bundle of sheets from said source to said` folding means, and stitching means recipro eating 'along said path in a definite relation to each bundle of sheetsA to stitch the sheets together. Y

3. A binding machine including in combination a series of tapes for progressing sheets along a path, a stitcher mechanism traveling along a portion of said path at a slower speed'than said tapes, a stop traveling with said stitcher mechanism and movable into and out of'said path, and speedingup rolls to act on the sheets alsthey leave the stitcher mechanism,L and folding means beyond the speeding up rolls.-

4. A book or pamphlet making machine including in combination a reciprocating stitching mechanism, means for reciprocating said stitching mechanism at different velocities in the two directions, means for progressing sheets along the path of travel of said stitching mechanism in the direction of the slower travel of, and' at greater speed than, said stitching meohanism, and means for rctarding the speed of .the sheets to that of the stitcher mechanism, 1 and folding means in the path of travel of the sheets beyond said stitching mechanism for folding said stitched sheets.

5. A sheet handling machine including in combination means for progressing the sheets through-the-machine,means for retardn'g .the sheets, means for stitching the retarded lsheets, means for accelerating the speed of said sheets as they travel between the stitcher and folderI when saidretarding means-cease to act on the sheets, and means located along vthe path of travel of said sheets beyond said stitching means for folding said sheets.

`6. A sheet handling machine including in combination vmeans for progressing the Vsheets through the machine, means for re- -tarding the sheets, means for operatingupon the retarded sheets, and means for accelerating said s'heets when said retarding means -cease to act uponthem and leave. them to. befacted upon'by said progressing means, and means located along the vpath of travel of said sheetsbeyond said stitchingmeans for folding said sheets. 90

7. A binding and folding machine including in combination means for progressing associated sheets to a folder, a stitcher traveling in the same Vdirection as the sheets progressed thereby, but ata slower speed, a registering stop traveling withl the stitcher, whereby said progressing meansv bring the` sheets into contact. with the stop toregister and stop them relatively to-t-he traveling stitcher without stopping the progress of the 100 sheets, and means for folding the vprogressed and stitched sheets. y

8. A binding and folding machine includ. ingin combination means for .progressing associated sheets -to a folder, traveling` bind- 105 ing means, both said means traveling in the same direction, said'. progressing.' means traveling at a greater speed'than said binding means, means formegistering the progressing sheets and bringing them tor-estilo relatively to the traveling#'binding-means,- and means for folding the-progressed and bound sheets. `i

' 9. A binding and folding machineincluding in combination means for 'progressing A115 sheets along a'path to'folding means, a carriage traveling along said.. path, stitching means and sheet registering means on said, carriage, means for causing the registering to said stitching means the sheets traveling along said path while being stitched by said stitching means, and means forgfoglding the progressed andstitched sheet-sf cluding in combination means for progressing sheets along aL path to' folding means, a

carriage reciprocating along said path, stitching means and sheet registering means on.

` for causing.' the reg- 130 said carriag YIneens means to register and holdat rest'relatively 12oVr v'-10. A` binding and folding machine--in- 125l reciproeating'ggilong path While being stitched by s'idstitching' .fiieans, and mea ns" ingthegprogiessed and stitched sheets.

.ses

relatively to said. stitching',f neaiisj thel sheets for folding the stitched sheets-.

11. A' binding andfsfolding I ii'zl'icliinei including in combination afpt'raveli'iigcarriage'- "and stitchers mounted thereon, sheet progressing means forprogressing associated sheets along. the path of travel -ofsaid carriage to fc-lding means, means for bringing the` progressing sheets to rest relatively to said'ti-aveliiig'cairiage, means for operating lthe-stitche'rs while the slieetsare at restv relatively to saidcarriage, andv means for fold- 12. A binding and folding machine-in- Acluding in combination a reciprocating cargressing a bun friage, a plurality of s titchers upon said .car-

riage, means for progressing sheets inthe direction of movement of said carriage and for vpos-itioning thel `progressing sheets relatively to the stitchers and limit-ing their vspeed to that. of the stitchers while being stitched, and means for folding the pro-' gressed and stitched sheets.

-ia A bindin anafoiding maintain'-A cludi-ng in com inat-ion a-source of sheet supply, foldin mechanism, tapes Afor pro-l le of sheets. from said source of supply to said folding mechanism, a stitching device traveling along a portion-of the'path of said tapes, and means for causing the sheets to travelat the same speed asl the stitching device while being stitched.

'14. .A binding and folding machine in`l cluding in 'combination a souice` of sheet lsuppl y,'folding mechanism, tapes forv pro-` gressing abundle of sheets from said source --of supplyA to said folding mechanism, a

. stitching device traveling along 'a portionA of the path of said tapes at slower speed than -the tapes, and means for retarding the sheets, t-o travel at the same. speed as the stitching device While being stitched.

15. A' binding and folding machine including in combination meansl for progressing sheets along a path to folding means, a stitc-her mechanism traveling along said path, a

ciffiiiig in combination tapes for conveying sheet stop traveling with said stitchcinsfciiaiiism movable into and out of Y 18. 'A' 'binding and folding `r`riachine including in combination means for progressing sheets along a path to folding means, a stitcher carriage traveling to and -fio along a port-ion of said pat'li,.said progressing means having a greater speed than said stitcher carriage, a stop on said stitcher carriage which is projected into the vpathway of the progressing sheets near the beginningof the movement of said carriage in the directionof travel of the progressing means and withdrawn near the end of said movement, and means for Y folding the stitched sheets. Y

A 19. A book or pamphlet making machine including in combination a reciprocating stitching mechanism, means for reciprocating said stitching mechanism at different velocities in the two directions, means for pro gr'essingA sheets to a folding means along the path of travel of said stitching lmechanism in the direction of the slower travel of, and at greater speed than, said stitching mech-- anism, means for retarding the speed of the sheets to that of the stitcher mechanism, and means for folding thestitched sheets.

'20L A-sheet handling machine including in combination .means for progressing the sheets through the machine 'to folding means, reciprocating means -for retarding the sheets, means for operating uponthe sheets While so retarded, Ameans located alongthe path of travel of said sheets beyond`said stitching means for'accelerating said sheets when' said retarding `means cease to act upon tliesheets, and means for folding the stitched sheets.

21. In a machine for operating'. upon sheets and in combination means for pro.

as paal gressing sheets to folding means, means for operating uponthe sheets traveling in the saine direction but at a slower speed than the sheets, a stop traveling with said operating means for engaging the sheets whereby4 they travel at the same speed as .Said operating means, means for causing "said operating means to operate upon the sheets when traveling at said slower speed,

and meansl for folding said sheets progressed and stitched. l

22. In a machine for operating upon sheets and in combination means for pro'- gressing sheets to folding means, means'for operating upon the sheets traveling in; the same directionbut at aslower speed than the sheets, a stop traveling with said operating means for engaging sheets whereby they travel at the same speed as Said op- .ei'ating means, menne` for causing said 0plnezms t0 operate upon thesheets when traveling at said sinner speed, means for releasing the sheets: froinsadstop, and means for folding said .sheefs progressed and stitched.

In testimony whereof, I have sighed my ei'nting name to this specification, in the presence of two' lsubscribing Witnesses.

'l i g RALPH C. SEYMOUR. i V'itnesses:

Jeux D. MORGAN,

ROSE HENK. 

